article Open AccessTop 10% cited
Digital holography for quantitative phase-contrast imaging
Optics Letters · 1999 · Vol. 24(5) · pp. 291–291
Etienne Cuche✉(École Polytechnique Fédérale de Lausanne)Frédéric Bevilacqua(École Polytechnique Fédérale de Lausanne)Christian Depeursinge(École Polytechnique Fédérale de Lausanne)
Abstract
We present a new application of digital holography for phase-contrast imaging and optical metrology. This holographic imaging technique uses a CCD camera for recording of a digital Fresnel off-axis hologram and a numerical method for hologram reconstruction. The method simultaneously provides an amplitude-contrast image and a quantitative phase-contrast image. An application to surface profilometry is presented and shows excellent agreement with contact-stylus probe measurements.
Digital Holography and MicroscopyOptical measurement and interference techniquesAdvanced X-ray Imaging TechniquesOpticsHolographyDigital holographyMetrologyStylusContrast (vision)ProfilometerPhase-contrast imagingDigital holographic microscopyInterferometry
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References
Direct recording of holograms by a CCD target and numerical reconstruction
Applied Optics · 1994 · 1,345 citations
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